Power Systems Stock bridge dampers are used to reduce the vibrations at the point of support reduce the tension All of these increase the sag reduce the vibrations at the point of support reduce the tension All of these increase the sag ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠°90 Ω, C = 0.5*10^-6∠90° ℧. Find Charging current under no load? 0.512∠90° A/phase 0.144∠90° A/phase 1.144∠90° A/phase 0.344∠90° A/phase 0.512∠90° A/phase 0.144∠90° A/phase 1.144∠90° A/phase 0.344∠90° A/phase ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a transformer is loaded, the secondary terminal voltage gains. That means power factor is unity. leading. zero. lagging. unity. leading. zero. lagging. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Positive, negative and zero sequence impedances of line are 2,2 and 5 pu respectively. Find self and mutual impedances respectively? 1 and 3 pu 2 and 2 pu 2 and 5 pu 3 and 1 pu 1 and 3 pu 2 and 2 pu 2 and 5 pu 3 and 1 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Binary vapor cycle are used for All of these increasing the turbine efficiency. improving the condenser performance. improving the plant efficiency. All of these increasing the turbine efficiency. improving the condenser performance. improving the plant efficiency. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Gas coolled reactor use coolant at pressure of 14-28 Kg/cm2 and at temperature of 700°-800° c. both B and C. use CO2. or helium as coolant and graphite the moderator. use heavy water as coolant as well as moderator. use coolant at pressure of 14-28 Kg/cm2 and at temperature of 700°-800° c. both B and C. use CO2. or helium as coolant and graphite the moderator. use heavy water as coolant as well as moderator. ANSWER DOWNLOAD EXAMIANS APP
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